Background: Nasal obstruction is one of the most common symptoms in daily ENT practice.Etiology of nasal obstruction is multifactorial and could be caused by mucosal or structural factors.Nasal obstruction also correlates with quality of life. There are subjective and objective evaluationto diagnose nasal obstruction. Subjective evaluation for nasal obstruction can be assessed by usingNasal Obstruction and Symptom Evaluation (NOSE) Questionnaire. This questionnaire could be usedto assess nasal obstruction caused by nasal deformities such as crooked nose, saddle nose, nasal valvedysfunction and septal deviation.